Improving indoor air quality and thermal comfort in office building by using combination filters

2nd International Conference on Computational Fluid Dynamics in Research and Industry

力学;计算机科学;工业技术

Kabrein, H.^1 ; Yusof, M.Z.M.^1 ; Hariri, A.^1 ; Leman, A.M.^2 ; Afandi, A.^1

Industrial and Indoor Environment Research Group (IIERG), Centre of Energy and Industrial Environment Studies (CEIES), Faculty of Mechanical and Manufacturing Engineering, Universiti Tun Hussein Onn Malaysia, Parit Raja, Johor Batu Pahat

86400, Malaysia^1

Faculty of Engineering Technology, Universiti Tun Hussein Onn Malaysia, Malaysia^2

关键词: Combination filters;    Comfort conditions;    Environmental measurements;    Heating ventilation and air conditioning;    Indoor air quality;    Indoor thermal comfort;    Postoccupancy evaluation (POE);    Work productivity;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/243/1/012052/pdf
DOI  :  10.1088/1757-899X/243/1/012052

来源: IOP

【 摘 要 】

Poor indoor air quality and thermal comfort condition in the workspace affected the occupants' health and work productivity, especially when adapting the recirculation of air in heating ventilation and air-conditioning (HVAC) system. The recirculation of air was implemented in this study by mixing the circulated returned indoor air with the outdoor fresh air. The aims of this study are to assess the indoor thermal comfort and indoor air quality (IAQ) in the office buildings, equipped with combination filters. The air filtration technique consisting minimum efficiency reporting value (MERV) filter and activated carbon fiber (ACF) filter, located before the fan coil units. The findings of the study show that the technique of mixing recirculation air with the fresh air through the combination filters met the recommended thermal comfort condition in the workspace. Furthermore, the result of the post-occupancy evaluation (POE) and the environmental measurements comply with the ASHRAE 55 standard. In addition, the level of CO2concentration continued to decrease during the period of the measurement.